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diff --git a/src/js/editor/mxDefaultKeyHandler.js b/src/js/editor/mxDefaultKeyHandler.js
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index 3814e5e..0000000
--- a/src/js/editor/mxDefaultKeyHandler.js
+++ /dev/null
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-/**
- * $Id: mxDefaultKeyHandler.js,v 1.26 2010-01-02 09:45:15 gaudenz Exp $
- * Copyright (c) 2006-2010, JGraph Ltd
- */
-/**
- * Class: mxDefaultKeyHandler
- *
- * Binds keycodes to actionnames in an editor. This aggregates an internal
- * <handler> and extends the implementation of <mxKeyHandler.escape> to not
- * only cancel the editing, but also hide the properties dialog and fire an
- * <mxEditor.escape> event via <editor>. An instance of this class is created
- * by <mxEditor> and stored in <mxEditor.keyHandler>.
- * 
- * Example:
- * 
- * Bind the delete key to the delete action in an existing editor.
- * 
- * (code)
- * var keyHandler = new mxDefaultKeyHandler(editor);
- * keyHandler.bindAction(46, 'delete');
- * (end)
- *
- * Codec:
- * 
- * This class uses the <mxDefaultKeyHandlerCodec> to read configuration
- * data into an existing instance. See <mxDefaultKeyHandlerCodec> for a
- * description of the configuration format.
- * 
- * Keycodes:
- * 
- * See <mxKeyHandler>.
- * 
- * An <mxEvent.ESCAPE> event is fired via the editor if the escape key is
- * pressed.
- * 
- * Constructor: mxDefaultKeyHandler
- *
- * Constructs a new default key handler for the <mxEditor.graph> in the
- * given <mxEditor>. (The editor may be null if a prototypical instance for
- * a <mxDefaultKeyHandlerCodec> is created.)
- * 
- * Parameters:
- * 
- * editor - Reference to the enclosing <mxEditor>.
- */
-function mxDefaultKeyHandler(editor)
-{
-	if (editor != null)
-	{
-		this.editor = editor;
-		this.handler = new mxKeyHandler(editor.graph);
-		
-		// Extends the escape function of the internal key
-		// handle to hide the properties dialog and fire
-		// the escape event via the editor instance
-		var old = this.handler.escape;
-		
-		this.handler.escape = function(evt)
-		{
-			old.apply(this, arguments);
-			editor.hideProperties();
-			editor.fireEvent(new mxEventObject(mxEvent.ESCAPE, 'event', evt));
-		};
-	}
-};
-	
-/**
- * Variable: editor
- *
- * Reference to the enclosing <mxEditor>.
- */
-mxDefaultKeyHandler.prototype.editor = null;
-
-/**
- * Variable: handler
- *
- * Holds the <mxKeyHandler> for key event handling.
- */
-mxDefaultKeyHandler.prototype.handler = null;
-
-/**
- * Function: bindAction
- *
- * Binds the specified keycode to the given action in <editor>. The
- * optional control flag specifies if the control key must be pressed
- * to trigger the action.
- *
- * Parameters:
- *
- * code - Integer that specifies the keycode.
- * action - Name of the action to execute in <editor>.
- * control - Optional boolean that specifies if control must be pressed.
- * Default is false.
- */
-mxDefaultKeyHandler.prototype.bindAction = function (code, action, control)
-{
-	var keyHandler = mxUtils.bind(this, function()
-	{
-		this.editor.execute(action);
-	});
-
-	// Binds the function to control-down keycode
-	if (control)
-	{
-		this.handler.bindControlKey(code, keyHandler);
-	}
-
-	// Binds the function to the normal keycode
-	else
-	{
-		this.handler.bindKey(code, keyHandler);				
-	}
-};
-
-/**
- * Function: destroy
- *
- * Destroys the <handler> associated with this object. This does normally
- * not need to be called, the <handler> is destroyed automatically when the
- * window unloads (in IE) by <mxEditor>.
- */
-mxDefaultKeyHandler.prototype.destroy = function ()
-{
-	this.handler.destroy();
-	this.handler = null;
-};